#include<iostream>
using namespace std;
int main(){int a,b,c;cin>>a>>b>>c;cout<<(a+b)/c;return 0;
}

#include<iostream>
using namespace std;
int main(){int n;cin>>n;cout<<n%10<<n/10%10<<n/100;return 0;
}

#include<iostream>
using namespace std;
int main(){int n;cin>>n;cout<<(char)n;return 0;
}

#include<iostream>
#include<iomanip>
using namespace std;
int main(){double f;cin>>f;cout<<fixed<<setprecision(12)<<f;return 0;
}

#include <iostream>
using namespace std;
int main(){int n;cin>>n;if(n%3==0&&n%5==0&&n%7==0){cout<<3<<" "<<5<<" "<<7;}else if(n%3==0&&n%5==0){cout<<3<<" "<<5;}else if(n%3==0&&n%7==0){cout<<3<<" "<<7;}else if(n%5==0&&n%7==0){cout<<5<<" "<<7;}else if(n%3==0){cout<<3;}else if(n%5==0){cout<<5;}else if(n%7==0){cout<<7;}else{cout<<"n";}return 0;
}

#include <iostream>
using namespace std;
int main(){int n;cin>>n;double bs=n*1.0/3.0+50;double ws=n*1.0/1.2;if(bs<ws){cout<<"Bike";}else if(bs>ws){cout<<"Walk";}else{cout<<"All";}return 0;
}

#include<iostream>
using namespace std;
int main(){int g,k;char ch;int f;cin>>g>>k>>ch>>f;if(f==1){for(int i=0;i<k;i++){for(int j=0;j<g;j++){cout<<ch;}cout<<endl;}}else{for(int i=0;i<k;i++){for(int j=0;j<g;j++){if(i==0||i==k-1||j==0||j==g-1)cout<<ch;elsecout<<" ";}cout<<endl;}}return 0;
}

#include<iostream>
using namespace std;
int main(){int m, k, n, sum=0;cin >> m >> k;n = m;while (n>0){if (n%10==3) sum++;n/= 10;}if (m%19==0 && sum==k) cout << "YES" << endl;else cout << "NO" << endl;return 0;
}

#include<iostream>
using namespace std;
int main(){int x,y;cin>>x>>y;cout<<3*x+2*y;return 0;
}

#include<iostream>
using namespace std;
int main(){int a,b,c;cin>>a>>b>>c;if(a==b||b==c||a==c){cout<<"YES"; }else{cout<<"NO";}return 0;
}