#include<bits/stdc++.h>
#define REP(i,x) for(int i=0,i##_len=(x);i<i##_len;++i)
#define rep(i,a,b) for(int i=(a),i##_len(b);i<i##_len;++i)
#define All(x) begin(x),end(x)
#define rAll(x) rbegin(x),rend(x)
using namespace std;
using ll = long long;

int main(){
    int MAX=1e9;
    int x,y,h;cin>>x>>y>>h;
    assert(1<=x&&x<=MAX);
    assert(1<=y&&y<=MAX);
    assert(1<=h&&h<=1000);
}