if (l > 9 && strcmp(&str[l - 9], "000000000") == 0) {
str[l - 9] = 'G';
str[l - 8] = '\0';
- } else if (l > 9 && strcmp(&str[l - 6], "000000") == 0) {
+ } else if (l > 6 && strcmp(&str[l - 6], "000000") == 0) {
str[l - 6] = 'M';
str[l - 5] = '\0';
- } else if (l > 9 && strcmp(&str[l - 3], "000") == 0) {
+ } else if (l > 3 && strcmp(&str[l - 3], "000") == 0) {
str[l - 3] = 'K';
str[l - 2] = '\0';
}