diff --git a/queue_at_the_school.cpp b/queue_at_the_school.cpp
index 78583d4..daf47ad 100644
--- a/queue_at_the_school.cpp
+++ b/queue_at_the_school.cpp
@@ -1,16 +1,37 @@
+#include<iostream>
+#include<stdio.h>
+#include<utility>
+#include<string>
+#include<math.h>
+#include<ctype.h>
+#include<map>
+#include<vector>
 #include<bits/stdc++.h>
-
+#include<algorithm>
 using namespace std;
-
-int main(){
-    int n, t;
-    cin>>n>>t;
-
-    string s;
-    cin>>s;
-
-    for(){
-
+int main()
+{
+ int size,time;
+ cin>>size>>time;
+ string s;
+ cin>>s;
+ for(int j=0;j<time;j++)
+ {
+     int i=0;
+ while(i<=size-2)
+ {
+    if(s[i]=='B' && s[i+1]=='G')
+    {
+        s[i]='G';
+        s[i+1]='B';
+        i+=2;
     }
-    return 0;
-}
\ No newline at end of file
+    else
+    {
+        i++;
+    }
+ }
+ }
+ cout<<s;
+return 0;
+}