%{
#include <stdio.h>
#include <math.h>
%}
 
DIGIT [0-9]
%%
{DIGIT}+ {
    int num = atoi(yytext);
    int original = num;
    int n = strlen(yytext);
    int sum = 0;
 
    while (num > 0) {
        int digit = num % 10;
        sum += pow(digit, n);
        num /= 10;
    }
 
    if (sum == original) {
        printf("%s is an Armstrong number\n", yytext);
    } else {
        printf("%s is not an Armstrong number\n", yytext);
    }
}
.|\n    ; // Ignore other characters
%%
 
int main() {
    yylex();
    return 0;
}
 

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

MTIz

123