diff --git a/queue_at_the_school.cpp b/queue_at_the_school.cpp
index 78583d4..5fb2fe2 100644
--- a/queue_at_the_school.cpp
+++ b/queue_at_the_school.cpp
@@ -1,16 +1,19 @@
-#include<bits/stdc++.h>
-
+#include<iostream>
 using namespace std;
 
 int main(){
-    int n, t;
-    cin>>n>>t;
-
-    string s;
-    cin>>s;
-
-    for(){
-
-    }
-    return 0;
-}
\ No newline at end of file
+	int n,t;
+	cin>>n>>t;
+	string s;
+	cin>>s;
+	while(t--){
+	     for(int i=0;i<n-1;i++){
+	         if(s[i]=='B'&& s[i+1]=='G'){
+	              swap(s[i],s[i+1]);
+	                   i++;
+	               }
+	          }
+	}
+	cout<<s<<endl;
+	return 0;
+}