Print all numbers with two particular digits in it

#include <stdio.h>
#define VALUE1 3
#define VALUE2 1
//vvesti razmernost chisla(3 dlja diapozona do 999)
//vyvesti vse chisla, soderzhashie odnu 1 i odnu 3(ix mozhno menjat)
//est preduprezhdenija: kasting nado delat; ili chto?
int is_it_fit(int,int,int);

int main()
{
    int power,number,fit,i,limit=10;
    scanf("%d",&power);
    for(i=1;i<power;i++)
        limit*=10;
        printf("limit is %d\n",limit);

    for(number=limit/10;number<limit;number++)
    {
        fit=0;
        fit=is_it_fit(number,VALUE1,VALUE2);
        if(fit)
            printf("%d\t",number);
    }

    return 0;
}
int is_it_fit(int num,int val1,int val2)
{
    int result,counter1,counter2,hold_num=num;
    result = counter1 = counter2 = 0;
    do
    {
        counter1+= ( num%10 == val1) + ((num/=10)==val1);

    }while(num/10);

    num = hold_num;
    do
    {
        counter2+= ( num%10 == val2) + ((num/=10)==val2);

    }while(num/10);
    result = ((counter1==1)&&(counter2==1))?1:0;
    return result;

}