URI 1160

#include<stdio.h>

int main()
{
    int i, n;
    int pa, pb;
    double ga, gb;
    int temp, temp2;

    scanf("%d", &n);
    for(i=1;i<=n;i++){
        scanf("%d%d%lf%lf", &pa,&pb,&ga,&gb);
        temp=0;
        temp2=0;

        for(;;){
            pa=pa+((pa*ga)/100);
            pb=pb+((pb*gb)/100));

            if(pa>pb)
                break;

            temp++;
            if(temp>100){
                printf("Mais de 1 seculo\n");
                break;
            }
        }
        if(temp<=100)
            printf("%d anos.\n", temp+1);
    }
    return 0;
}