33 lines
525 B
C
33 lines
525 B
C
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#include <stdio.h>
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// Function prototypes
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void swap(int *a, int *b);
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int main(void) {
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// Initialize variables
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int n;
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int length = 0;
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int nums[10];
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// Get input
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scanf("%d", &n);
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// Tabulate nums[]
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while (n > 0) {
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nums[length] = n % 10;
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n /= 10;
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length++;
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}
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// See if anything is wrong
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if (nums[0] == 0) {
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printf("The number cannot be changed.\n");
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} else { // Print answer
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for (int i = 0; i < length; i++) {
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printf("%i", nums[i]);
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}
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printf("\n");
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}
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return 0;
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}
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