#include <stdio.h> int main() { int number = 0; int count = 0; int i = 0; int arr1[10] = { 0 }; scanf("%d", &number); while (number) { arr1[i++] = (number % 6);//i = 0 , 0; 1 = 1, 2; i = 2, 3 number /= 6;// 20, 3, 0 count++; //1,2,333 } for (int j = count - 1; j >= 0; j--) { printf("%d", arr1[j]); } return 0; }