#include <stdio.h>
#include <stdint.h>
void print_base(uint16_t num, uint8_t base) {
// Your logic here
char result[32];
int i = 0;
if(num == 0)
{
printf("0");
return;
}
while(num > 0)
{
uint8_t rem = num % base;
if(rem < 10)
result[i] = rem + '0';
else
result[i] = rem - 10 + 'A';
num = num / base;
i++;
}
for(int j = i-1; j >= 0; j--)
printf("%c", result[j]);
}
int main() {
uint16_t num;
uint8_t base;
scanf("%hu %hhu", &num, &base);
print_base(num, base);
return 0;
}