5622 다이얼

#include <stdio.h>
#include <string.h>
 
int toInt(char c) {
    int intC = (int)c;
    intC -= 65;
 
    int idx = intC / 3 + 2;
    if (idx > 7) {
        if (intC == 18) idx = 7;
        else if (intC <= 21) idx = 8;
        else if (intC <= 25) idx = 9;
        else idx = 0;
    }
 
    return idx;
}
 
int main() {
    char arr[16] = { 0 };
    scanf("%s", &arr);
 
    int sum = 0;
    for (int i = 0; i < strlen(arr); i++) {
        sum += toInt(arr[i]);
    }
 
    printf("%d", sum + strlen(arr));
}