25 lines
568 B
C
25 lines
568 B
C
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#include <stdio.h>
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int main() {
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char c = 0;
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unsigned int first_digit = 0;
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unsigned int last_digit = 0;
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unsigned int sum = 0;
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while (c != EOF) {
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c = getchar();
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// putchar(c);
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unsigned char possible_digit = c - 48;
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if (possible_digit < 10) {
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// printf("%d\n", possible_digit);
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if (first_digit == 0) {
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first_digit = possible_digit * 10;
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}
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last_digit = possible_digit;
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} else if (c == 10) {
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sum += first_digit + last_digit;
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first_digit = 0;
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last_digit = 0;
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}
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}
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printf("%d", sum);
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}
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