what is the output ? I need the answer in details please

#include

#include

#include

int main(void){

char string1[80] = "APPLES";

char string2[80] = "ORES";

int k, m;

char temp[80];

strcpy(temp, string1);

strcpy(string1, string2);

strcpy(string2, temp);

puts(string1);

puts(string2);

printf(" ");

for(m = strlen(string1) - 1; m >= 1; m--){

string2[m] = tolower(string1[m]);

printf("%c", string1[m - 1]);

}

puts(string2);

return 0;

}