URI Online Judge | 1964 (Presentation Error)

/*
 *  URI Online Judge | 1964
 *  Author: Kaio KDOXG
 *  Federal University of Pelotas, 2020
 *
 */

#include <stdio.h>
#define A "Ana"
#define B "Bia"

int main()
{
    unsigned long long Pa, Pb;          //A's and B's position
    unsigned long long i;               //Iterator
    unsigned choice;                    //Final choice

    unsigned long long C;
    unsigned long long Va, Vb;
    unsigned long long T;
    unsigned long long D;

    scanf("%llu%llu%llu%llu%llu", &C, &Va, &Vb, &T, &D);

    if (C == 0 || C > 1000)
        return 0;
    if (Va == 0 || Va > 400)
        return 0;
    if (Vb == 0 || Vb > 400)
        return 0;
    if (T > 200)
        return 0;
    if (D >= C)
        return 0;

    Pa = D; Pb = D;
    T *= 60;                    //Minutes to seconds
    Va /= 100; Vb /= 100;       //Centimeters to meters

    for (i=100; i<T; i++)
    {
        Pa += Va;
        if (Pa >= C)
            Pa -= C;
        Pb += Vb;
        if (Pb >= C)
            Pb -= C;
    }

    while (1)
    {
        Pa += Va;
        Pb += Vb;
        if (Pa >= C || Pb >= C)
        {
            choice = Pb > Pa ? 1 : 0;
            break;
        }
    }

    switch(choice)
    {
        case 0:
            printf("%s", A);
            break;
        case 1:
            printf("%s", B);
            break;
    }

    return 0;
}