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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int main(){
  4. int M,k;
  5. cin>>M>>k;
  6. cout<<k-M;
  7. return 0;
  8.  
  9. }
Success #stdin #stdout 0s 5308KB
stdin
4 7
stdout
3