whats wrong here?

gistfile1.txt

#include <iostream>

using namespace std;

int change(int n){
  int val = n;
  int num = 0;
  while(val > 0){
    if(val > 50){
      num = num + 1;
      val = val-50;
      cout<<"50"<<endl;
    } else if (val > 25){
      num = num + 1;
      val = val - 25;
      cout<<"25"<<endl;
    } else if (val > 10){
      num = num + 1;
      val = val-10;
      cout<<"10"<<endl;
    } else if (val > 5){
      num = num + 1;
      val = val-5;
      cout<<"5"<<endl;
    } else {
      //val > 1
      num = num + 1;
      val = val -1;
      cout<<"1"<<endl;
    }
  }
  return num;
}

int main (void){
  int value;
  cin >> value;
  cout<<change(value)<<endl;
  return 0;
}