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#include <stdio.h>
int main() {
    int first = -1, second = -1, third = -1;
    while(first <= 0){
        printf("Enter positive integer 1 : ");
        scanf("%d", &first);
        if(first <= 0) 
            printf("**Positive integers only, please\n");
    }
    while(second <= 0){
        printf("Enter positive integer 2 : ");
        scanf("%d", &second);
        if(second <= 0){
            printf("**Positive integers only, please\n");
            continue;
        }
        if(first > second){
            printf("**Less than number 1\n");
            second = -1;
        }
    }
    while(third <= 0){
        printf("Enter positive integer 3 : ");
        scanf("%d", &third);
        if(third <= 0){
            printf("**Positive integers only, please\n");
            continue;
        }
        if(first > third){
            printf("**Less than number 1\n");
            third = -1;
            continue;
        }
        if(second > third){
            printf("**Less than number 2\n");
            third = -1;
            continue;
        }
    }
    printf("The sum is %d\n", first + second + third);
    return 0;
}