51Nod 1080

#include "bits/stdc++.h"
using namespace std;
#define LL long long
#define INF 0x3f3f3f3f3f
#define PI acos(-1)
#define N 1000000
#define MOD 10

int main()
{
    int n;
    while(~scanf("%d",&n))
    {
        int c=0,j;
        for(int i=0;i<=n;i++){
            j=sqrt(n-i*i);
            if(j*j==n-i*i){
                if(j<i)
                    break;
                printf("%d %d
",i,j);
                c++;
            }
        }
        if(!c){
            printf("No Solution
");
        }
    }
    return 0;
}