diff --git a/190611/190617/problem.md b/190611/190617/problem.md
new file mode 100644
index 0000000..1ba81b0
--- /dev/null
+++ b/190611/190617/problem.md
@@ -0,0 +1,4 @@
+# programmers 타겟 넘버
+
+- https://programmers.co.kr/learn/courses/30/lessons/43165
+
diff --git a/190611/honux/test.js b/190611/honux/test.js
new file mode 100644
index 0000000..cdad665
--- /dev/null
+++ b/190611/honux/test.js
@@ -0,0 +1,21 @@
+let arr = [1,2,3,4];
+
+function swap(arr, i, j) {
+	const temp = arr[i];
+	arr[i] = arr[j];
+	arr[j] = temp;
+}
+
+function all(arr, n) {
+	if (n == arr.length - 1) {
+		console.log(arr);
+	}
+	for (let i = n; i < arr.length ; i++) {
+		swap(arr, n, i); 
+		all(arr, n + 1);
+		swap(arr, n, i); 
+	}
+}
+
+all(arr, 0);
+	
diff --git a/190611/honux/test2.js b/190611/honux/test2.js
new file mode 100644
index 0000000..c2aa652
--- /dev/null
+++ b/190611/honux/test2.js
@@ -0,0 +1,22 @@
+function swap(arr, i, j) {
+	const temp = arr[i];
+	arr[i] = arr[j];
+	arr[j] = temp;
+}
+
+function perm(arr, k, j = 0) {
+	if (j === k){
+		console.log(arr.slice(0,j));
+		return;
+	}
+	for (let i = j; i < arr.length; i++) {
+		swap(arr, i, j);
+		perm(arr, k, j + 1);
+		swap(arr, i, j);
+	}
+}
+
+arr = [1, 2, 3];
+perm(arr, 1);
+console.log("==========");
+perm(arr, 2);
diff --git a/190611/honux/try1.js b/190611/honux/try1.js
new file mode 100644
index 0000000..fac5e1a
--- /dev/null
+++ b/190611/honux/try1.js
@@ -0,0 +1,43 @@
+const prime = []
+const maxn = 9999999;
+let count = 0;
+
+for (let i = 0; i <= maxn; i++) {
+    prime.push(true);
+}
+prime[0] = prime[1] = false;
+
+for (let i = 2; i<= maxn; i++) {
+    if(!prime[i]) continue;
+    for (let j = i * 2;  j <= maxn; j += i) {
+        prime[j] = false;
+    }
+}
+
+function swap(arr, i, j) {
+    const temp = arr[i];
+    arr[i] = arr[j];
+    arr[j] = temp;
+}
+
+function genNum(arr, i) {
+    if (i == arr.length - 1) {
+        const n = Number(arr.join(""));
+        console.log(n);
+        if (prime[n]) count++;
+        return;
+    }
+    for (let j = i; j < arr.length; j++) {
+        swap(arr, i, j);
+        genNum(arr, i + 1);
+        swap(arr, i, j);
+    }
+}
+
+function solution(numbers) {
+    count = 0;
+    let a = numbers.split("");
+    console.log(a);
+    genNum(a, 0);
+    return count;
+}
diff --git a/190611/honux/try2.js b/190611/honux/try2.js
new file mode 100644
index 0000000..e9e278d
--- /dev/null
+++ b/190611/honux/try2.js
@@ -0,0 +1,50 @@
+const prime = []
+const maxn = 9999999;
+let count = 0;
+
+for (let i = 0; i <= maxn; i++) {
+    prime.push(true);
+}
+prime[0] = prime[1] = false;
+
+for (let i = 2; i<= maxn; i++) {
+    if(!prime[i]) continue;
+    for (let j = i * 2;  j <= maxn; j += i) {
+        prime[j] = false;
+    }
+}
+
+function swap(arr, i, j) {
+    const temp = arr[i];
+    arr[i] = arr[j];
+    arr[j] = temp;
+}
+
+function perm(arr, k, j = 0) {
+	if (j === k){
+		const n = Number(arr.slice(0, j).join(""));
+		console.log(n);
+		//count only once
+		if (prime[n]) {
+			count++;
+			prime[n] = false;
+		}
+		return;
+	}
+	for (let i = j; i < arr.length; i++) {
+		swap(arr, i, j);
+		perm(arr, k, j + 1);
+		swap(arr, i, j);
+	}
+}
+
+function solution(numbers) {
+    count = 0;
+    let a = numbers.split("");
+	for (let i = 1; i <= numbers.length; i++) {
+    	perm(a, i);
+	}
+    return count;
+}
+
+console.log(solution("17"));