a*b*c 해서
나온숫자를 0부터 9까지 횟수 카운팅
input
150 266 427
output
3 1 0 2 0 0 0 2 0 0
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int[] arr;
int[] result = new int[10];
int str1 = sc.nextInt();
int str2 = sc.nextInt();
int str3 = sc.nextInt();
int sum = str1*str2*str3;
String sumToString = String.valueOf(sum);
arr = new int[sumToString.length()];
for(int i=0; i < sumToString.length() ; i++){
arr[i] = Integer.valueOf(sumToString.substring(i, i+1));
for(int j =0 ; j<10 ; j++){
if(j == arr[i]){
result[j]++;
}
}
}
for(int i=0 ; i<result.length ; i++) {
System.out.println(result[i]);
}
}