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#include <stdio.h>
#include <stdlib.h>
int main (void) {
int t = 0;
while (1) {
char buf[8];
fgets(buf, 8, stdin);
if (ferror(stdin) || feof(stdin))
break;
switch (buf[2]) {
case 'X':
t += 1;
switch (buf[0]) {
case 'A':
t += 3;
break;
case 'B':
t += 0;
break;
case 'C':
t += 6;
break;
}
break;
case 'Y':
t += 2;
switch (buf[0]) {
case 'A':
t += 6;
break;
case 'B':
t += 3;
break;
case 'C':
t += 0;
break;
}
break;
case 'Z':
t += 3;
switch (buf[0]) {
case 'A':
t += 0;
break;
case 'B':
t += 6;
break;
case 'C':
t += 3;
break;
}
break;
}
}
printf("%d\n", t);
}
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