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#include "stdio.h"

int main() {
        int a = 123;
        int b = 456;

        int b_digits[12];

        int b_high = b;

        int i;

        for(i = 0; i < (sizeof(b_digits)/sizeof(b_digits[0])); i++) {
                b_digits[i] = b_high % 10;
                b_high /= 10;
        }

        for(i = 0; i < (sizeof(b_digits)/sizeof(b_digits[0])); i++) {
                printf("b_digits[%2d] = %d\n", i, b_digits[i]);
        }
        return 0;
}

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b_digits[ 0] = 6
b_digits[ 1] = 5
b_digits[ 2] = 4
b_digits[ 3] = 0
b_digits[ 4] = 0
b_digits[ 5] = 0
b_digits[ 6] = 0
b_digits[ 7] = 0
b_digits[ 8] = 0
b_digits[ 9] = 0
b_digits[10] = 0
b_digits[11] = 0

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#include <stdlib.h>
#include <stdio.h>

int main(int argc, char **argv){
	int a = 123;
	int b = 456;
	int result = 0;

	while(a--){
		result += b;
	}
	
	printf("%d\n", result);

	return 0;
}