#include <stdio.h>

int main()
{
    int n;
    int br=0;
    while(scanf("%x",&n))
    {
        if(n=='A' || n=='a')
            br+=10;
        else if(n=='B' || n=='b')
            br+=11;
        else if(n=='C' || n=='c')
            br+=12;
        else if(n=='D' || n=='d')
            br+=13;
        else if(n=='E' || n=='e')
            br+=14;
        else if(n=='F' || n=='f')
            br+=15;
        else
            br+=n;
    }
    if(br%16==0&&br%100==16)
        printf("Poln pogodok");
    else if(br%16==0)
        printf("Pogodok");
    else
        printf("%d",br);

    return 0;
}