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#include
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#include
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int main() {
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int cnt = 0;
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char *arr = malloc(1001 * sizeof(char));
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scanf("%s",arr);
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for(int i = 0;arr[i] != '\0';i++){
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    if(arr[i] == 'A' || arr[i] == 'a'
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    || arr[i] == 'E' || arr[i] == 'e'
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    || arr[i] == 'I' || arr[i] == 'i'
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    || arr[i] == 'O'|| arr[i] == 'o'
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    || arr[i] == 'U'|| arr[i] == 'u')
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        cnt +=1;
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}
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printf("%d",cnt);
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free(arr);
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    return 0;
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}